AISI 304 Stainless Steel Sphere Customize Precision Bearing Balls 3.968mm 19.050mm 0.255g 28.571g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：AISI304 Stainless Steel Ball Suitable for Motorcycle and Medical Equipment 2.381mm 4.762mm 6.350mm Next：0.8mm Chrome Steel Ball/Apply to Lipstick and Nail Polish, Pen
